package homework;



public class test9 {
    public static void main(String[] args) {

        for(int j =1;j<=4;j++){//外层4行
            for (int i = 1; i <= 5; i++) {//一行五个
                System.out.print("@");
            }
            System.out.println();//每行结束换行
        }

    }
}
